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Finding the Fourth Proportional to 342,152.06, 472,167 and 189,196.92

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Solution

The fourth proportional to 342,152.06, 472,167 and 189,196.92 is: 261,090.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,152.06 : 472,167 = 189,196.92 : x
  2. Step 2: Convert to fraction form
    342,152.06/472,167 = 189,196.92/x
  3. Step 3: Cross multiply
    342,152.06x = 472,167 × 189,196.92
  4. Step 4: Simplify right side
    342,152.06x = 89,332,542,125.64
  5. Step 5: Solve for x
    x = 89,332,542,125.64/342,152.06
  6. Step 6: Final answer
    x = 261,090.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.